Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science fair project idea produces sounds by creating vibrations using different objects.

Examine the effect of pressure on carbonation in soda.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This project determines what category of person is most likely to be ticklish.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This project investigates the affect of storage temperature on microwave popcorn.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This science fair project idea investigates how color affects temperature.

In this science fair project you will make a model of a cell membrane using very simple material.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.